FKIE_CVE-2023-32186

Vulnerability from fkie_nvd - Published: 2023-09-19 10:15 - Updated: 2026-06-17 05:58
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A Allocation of Resources Without Limits or Throttling vulnerability in SUSE RKE2 allows attackers with access to K3s servers apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects RKE2: from 1.24.0 before 1.24.17+rke2r1, from v1.25.0 before v1.25.13+rke2r1, from v1.26.0 before v1.26.8+rke2r1, from v1.27.0 before v1.27.5+rke2r1, from v1.28.0 before v1.28.1+rke2r1.
References
meissner@suse.dehttps://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32186Issue Tracking, Vendor Advisory
meissner@suse.dehttps://github.com/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprqMitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32186Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprqMitigation, Vendor Advisory
Impacted products
Vendor Product Version
suse rancher_rke2 *
suse rancher_rke2 *
suse rancher_rke2 *
suse rancher_rke2 *
suse rancher_rke2 1.28.1\+rke2r1
suse rancher_rke2 1.28.1\+rke2r1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "RKE2",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "1.24.17+rke2r1",
              "status": "affected",
              "version": "1.24.0",
              "versionType": "semver"
            },
            {
              "lessThan": "v1.25.13+rke2r1",
              "status": "affected",
              "version": "v1.25.0",
              "versionType": "semver"
            },
            {
              "lessThan": "v1.26.8+rke2r1",
              "status": "affected",
              "version": "v1.26.0",
              "versionType": "semver"
            },
            {
              "lessThan": "v1.27.5+rke2r1",
              "status": "affected",
              "version": "v1.27.0",
              "versionType": "semver"
            },
            {
              "lessThan": "v1.28.1+rke2r1",
              "status": "affected",
              "version": "v1.28.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "meissner@suse.de"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:suse:rke2:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "rke2",
          "vendor": "suse",
          "versions": [
            {
              "lessThan": "1.24.17\\+/rke2r1",
              "status": "affected",
              "version": "1.24.0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.25.13\\+/rke2r1",
              "status": "affected",
              "version": "1.25.0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.26.8\\+/rke2r1",
              "status": "affected",
              "version": "1.26.0",
              "versionType": "custom"
            },
            {
              "lessThan": ".27.5\\+/rke2r1",
              "status": "affected",
              "version": "1.27.0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.28.1\\+/rke2r1",
              "status": "affected",
              "version": "1.28.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "195E8F96-931F-438D-BB2B-C2F06E15FF88",
              "versionEndExcluding": "1.24.17\\+rke2r1",
              "versionStartIncluding": "1.24.0\\+rke2r1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9C4538F6-9D57-42C2-A8AD-3A60092DE90A",
              "versionEndExcluding": "1.25.13\\+rke2r1",
              "versionStartIncluding": "1.25.0\\+rke2r1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8276EC2F-6723-41E8-87FC-4960B1B889B1",
              "versionEndExcluding": "1.26.8\\+rke2r1",
              "versionStartIncluding": "1.26.0\\+rke2r1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0DABB36B-6677-485A-B93A-85EC6F0F5870",
              "versionEndExcluding": "1.27.5\\+rke2r1",
              "versionStartIncluding": "1.27.1\\+rke2r1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher_rke2:1.28.1\\+rke2r1:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "509E3AE9-B776-40AD-9BC5-722A05C3718E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:suse:rancher_rke2:1.28.1\\+rke2r1:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "33ACA7A8-9A6B-4EC1-B4BC-C554533592CC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Allocation of Resources Without Limits or Throttling vulnerability in SUSE RKE2  allows attackers with access to K3s servers apiserver/supervisor port (TCP 6443) cause denial of service.\nThis issue affects RKE2: from 1.24.0 before 1.24.17+rke2r1, from v1.25.0 before v1.25.13+rke2r1, from v1.26.0 before v1.26.8+rke2r1, from v1.27.0 before v1.27.5+rke2r1, from v1.28.0 before v1.28.1+rke2r1.\n\n"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Asignaci\u00f3n de Recursos sin L\u00edmites o Throttling en SUSE RKE2 permite a los atacantes con acceso al puerto apiserver/supervisor de servidores K3s (TCP 6443) causar denegaci\u00f3n de servicio. Este problema afecta a RKE2: desde la versi\u00f3n 1.24.0 antes de 1.24.17+rke2r1, desde la versi\u00f3n v1.25.0 antes de v1.25.13+rke2r1, desde la versi\u00f3n v1.26.0 antes de v1.26.8+rke2r1, desde la versi\u00f3n v1.27.0 antes de v1.27.5+rke2r1, desde la versi\u00f3n v1.28.0 antes de v1.28.1+rke2r1."
    }
  ],
  "id": "CVE-2023-32186",
  "lastModified": "2026-06-17T05:58:16.400",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "meissner@suse.de",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-32186",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-25T14:42:23.192794Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-09-19T10:15:13.357",
  "references": [
    {
      "source": "meissner@suse.de",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32186"
    },
    {
      "source": "meissner@suse.de",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprq"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32186"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprq"
    }
  ],
  "sourceIdentifier": "meissner@suse.de",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "meissner@suse.de",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.